public class Exercise {
    public static void main(String[] args) {
//        int age = 22;
/*      age = 22 + 5;
        String name = "李小明";
        System.out.println(name + age);*/

        int count;
        double salary;
        int i, j, k;
        count = 1;
        int x;
        double d = 3.5;
        x = (int) d;
        byte ii = 127;

        int classroomA, classromB, totalNumOfStudents;
        classroomA = 30;
        classromB = 25;
        totalNumOfStudents = classroomA + classromB;

        int a = 200;
        char code = 'C';

        var aa = 200;
        var codee = 'C';

        final double PI = 3.14;

        short a2 = 21;
        short b2 = (short) (a2 + 23);
        System.out.println(b2);
        String c = "c";
        int aA, b = 0XE, cC = 'C';
    }

}
